Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally and vertically.
A253858
Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally and vertically.
Terms
- a(0) =19456a(1) =291392a(2) =4186496a(3) =54933632a(4) =700079360a(5) =9090451328a(6) =118920758784
External references
- oeis: A253858